Home / 12,923,750.43-17,837,422.11-7,699,818.83

Finding the Fourth Proportional to 12,923,750.43, 17,837,422.11 and 7,699,818.83

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Solution

The fourth proportional to 12,923,750.43, 17,837,422.11 and 7,699,818.83 is: 10,627,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,750.43 : 17,837,422.11 = 7,699,818.83 : x
  2. Step 2: Convert to fraction form
    12,923,750.43/17,837,422.11 = 7,699,818.83/x
  3. Step 3: Cross multiply
    12,923,750.43x = 17,837,422.11 × 7,699,818.83
  4. Step 4: Simplify right side
    12,923,750.43x = 137,344,918,641,236.33
  5. Step 5: Solve for x
    x = 137,344,918,641,236.33/12,923,750.43
  6. Step 6: Final answer
    x = 10,627,326.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.